<script setup>
import { onLoad } from '@dcloudio/uni-app'
import { getCurrentInstance, ref } from 'vue'
import { getCodeImg } from '@/api/login'
import { useConfigStore, useUserStore } from '@/store'
import { getToken } from '@/utils/auth'

const { proxy } = getCurrentInstance()
const globalConfig = useConfigStore().config
const codeUrl = ref('')
// 验证码开关
const captchaEnabled = ref(true)
// 用户注册开关
const register = ref(false)
const loginForm = ref({
  username: 'admin',
  password: 'admin123',
  code: '',
  uuid: '',
})

// 用户注册
function handleUserRegister() {
  proxy.$tab.redirectTo(`/pages/register`)
}

// 隐私协议
function handlePrivacy() {
  const site = globalConfig.appInfo.agreements[0]
  proxy.$tab.navigateTo(`/pages/common/webview/index?title=${site.title}&url=${site.url}`)
}

// 用户协议
function handleUserAgrement() {
  const site = globalConfig.appInfo.agreements[1]
  proxy.$tab.navigateTo(`/pages/common/webview/index?title=${site.title}&url=${site.url}`)
}

// 获取图形验证码
function getCode() {
  getCodeImg().then((res) => {
    captchaEnabled.value = res.captchaEnabled === undefined ? true : res.captchaEnabled
    if (captchaEnabled.value) {
      codeUrl.value = `data:image/gif;base64,${res.img}`
      loginForm.value.uuid = res.uuid
    }
  })
}

// 登录方法
async function handleLogin() {
  if (loginForm.value.username === '') {
    proxy.$modal.msgError('请输入账号')
  }
  else if (loginForm.value.password === '') {
    proxy.$modal.msgError('请输入密码')
  }
  else if (loginForm.value.code === '' && captchaEnabled.value) {
    proxy.$modal.msgError('请输入验证码')
  }
  else {
    proxy.$modal.loading('登录中，请耐心等待...')
    pwdLogin()
  }
}

// 密码登录
async function pwdLogin() {
  useUserStore()
    .login(loginForm.value)
    .then(() => {
      proxy.$modal.closeLoading()
      loginSuccess()
    })
    .catch(() => {
      if (captchaEnabled.value) {
        getCode()
      }
    })
}

// 登录成功后，处理函数
function loginSuccess(result) {
  // 设置用户信息
  useUserStore()
    .getInfo()
    .then((res) => {
      proxy.$tab.reLaunch('/pages/index')
    })
}

onLoad(() => {
  // #ifdef H5
  if (getToken()) {
    proxy.$tab.reLaunch('/pages/index')
  }
  // #endif
})

getCode()
</script>

<template>
  <view class="normal-login-container">
    <view class="logo-content align-center flex justify-center">
      <image
        style="width: 100rpx; height: 100rpx"
        :src="globalConfig.appInfo.logo"
        mode="widthFix"
      />
      <text class="title">
        若依移动端登录
      </text>
    </view>
    <view class="login-form-content">
      <view class="align-center input-item flex">
        <view class="iconfont icon-user icon" />
        <input
          v-model="loginForm.username"
          class="input"
          type="text"
          placeholder="请输入账号"
          maxlength="30"
        >
      </view>
      <view class="input-item align-center flex">
        <view class="iconfont icon icon-password" />
        <input
          v-model="loginForm.password"
          type="password"
          class="input"
          placeholder="请输入密码"
          maxlength="20"
        >
      </view>
      <view
        v-if="captchaEnabled"
        class="input-item align-center flex"
        style="width: 60%; margin: 0px"
      >
        <view class="iconfont icon icon-code" />
        <input
          v-model="loginForm.code"
          type="number"
          class="input"
          placeholder="请输入验证码"
          maxlength="4"
        >
        <view class="login-code">
          <image :src="codeUrl" class="login-code-img" @click="getCode" />
        </view>
      </view>
      <view class="action-btn">
        <button class="login-btn cu-btn lg round block bg-blue" @click="handleLogin">
          登录
        </button>
      </view>
      <view v-if="register" class="reg text-center">
        <text class="text-grey1">
          没有账号？
        </text>
        <text class="text-blue" @click="handleUserRegister">
          立即注册
        </text>
      </view>
      <view class="xieyi text-center">
        <text class="text-grey1">
          登录即代表同意
        </text>
        <text class="text-blue" @click="handleUserAgrement">
          《用户协议》
        </text>
        <text class="text-blue" @click="handlePrivacy">
          《隐私协议》
        </text>
      </view>
    </view>
  </view>
</template>

<style lang="scss" scoped>
page {
  background-color: #ffffff;
}

.normal-login-container {
  width: 100%;

  .logo-content {
    width: 100%;
    font-size: 21px;
    text-align: center;
    padding-top: 15%;

    image {
      border-radius: 4px;
    }

    .title {
      margin-left: 10px;
    }
  }

  .login-form-content {
    text-align: center;
    margin: 20px auto;
    margin-top: 15%;
    width: 80%;

    .input-item {
      margin: 20px auto;
      background-color: #f5f6f7;
      height: 45px;
      border-radius: 20px;

      .icon {
        font-size: 38rpx;
        margin-left: 10px;
        color: #999;
      }

      .input {
        width: 100%;
        font-size: 14px;
        line-height: 20px;
        text-align: left;
        padding-left: 15px;
      }
    }

    .login-btn {
      margin-top: 40px;
      height: 45px;
    }

    .reg {
      margin-top: 15px;
    }

    .xieyi {
      color: #333;
      margin-top: 20px;
    }

    .login-code {
      height: 38px;
      float: right;

      .login-code-img {
        height: 38px;
        position: absolute;
        margin-left: 10px;
        width: 200rpx;
      }
    }
  }
}
</style>
